<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>


    <!--列表-->
    <!--@selection-change="selsChange" 多选框监听事件-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange"
              style="width: 100%;">
      <!--selection：多选框-->
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120">
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="100">
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.state == 1" style="color: green">启用</span>
          <span v-else-if="scope.row.state == 0" style="color: red">禁用</span>
          <span v-else style="color: yellow">未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="负责人" width="120">
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" min-width="180">
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--分页  工具条-->
    <el-col :span="24" class="toolbar">
      <!--批量删除按钮-->
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length === 0">批量删除</el-button>
      <el-pagination layout="prev, pager, next"
                     @current-change="handleCurrentChange"
                     @size-change="handleSizeChange"
                     :page-sizes="[5, 10, 15, 30, 50]"
                     :current-page="currentPage"
                     :page-size="pageSize"
                     :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>


    <!--新增/编辑模态框-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <!-- 模态框表单  :rules="editFormRules"：表单校验规则绑定那个规则对象-->
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">

        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="启用状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <!--
           v-for = 遍历谁的值将它拿给 item
           :key= 选中对象的那个字段为唯一标识，我们一般用id
           :label= 选中之后展示在选择框中的值
           :value= 选中数据的当前对象
        -->
        <el-form-item label="部门经理">
          <el-select v-model="editForm.manager" value-key="id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="上级部门">
          <!--
            el-cascader：级联选择器框
            :options：级联的数据，指向模型层的options字段
            :props配置属性
              value : 级联选择器选择提交的值
              label : 级联选择器选择展示的值
          -->
          <el-cascader
              v-model="editForm.parent"
              :options="departmentTree"
              :props="{ checkStrictly: true,value:'id',label:'name' }"
              clearable></el-cascader>
        </el-form-item>

      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>


  </section>
</template>

<script>
/*import util from '../../common/js/util'
import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';*/

export default {
  data() {
    return {
      filters: {
        //高级查询字段
        keyword: ''
      },

      //查询所有部门集合
      departments: [],

      //默认数据总条数
      total: 0,
      //默认页码
      currentPage: 1,
      //默认每页展示条数
      pageSize: 5,
      //列表忙等
      listLoading: false,
      //列表选中列
      sels: [],
      //模态框标题
      title: "",
      //编辑/新增 模态框
      editFormVisible: false,
      //按钮忙等
      editLoading: false,
      //表单验证规则对象
      editFormRules: {
        name: [
          {required: true, message: '请输入部门名称', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入部门编号', trigger: 'blur'}
        ],
      },
      //编辑界面数据
      editForm: {
        id: null,
        sn: "",
        name: "",
        state: 0,
        manager: {},
        parent: {}
      },
      //查询所有员工集合
      employees: [],
      //部门树集合
      departmentTree: []
    }
  },
  methods: {
    search() {
      this.currentPage = 1;
      this.getDepartments();
    },
    handleCurrentChange(val) {
      //用户点击页面的时，同步将模型层中的当前页面字段的值改为用户选中的值
      this.currentPage = val;
      this.getDepartments();
    },
    handleSizeChange(val) {
      this.currentPage = 1;
      this.pageSize = val;
      this.getDepartments();
    },
    //获取用户列表数据
    getDepartments() {
      //分页/高级查询对象
      let para = {
        //页码
        currentPage: this.currentPage,
        //每页展示条数
        pageSize: this.pageSize,
        keyword: this.filters.keyword
      };
      //开启列表忙等
      this.listLoading = true;
      //发起axios请求
      this.$http.post("/department", para)
          .then(result => {
            //发起请求后关闭列表忙等
            this.listLoading = false;
            //给模型层表单数据赋值
            this.departments = result.data.rows;
            //给模型层数据总数赋值
            this.total = result.data.total;
          })
          .catch(result => {
            this.$message({
              message: "系统繁忙请重试！！！",
              type: "error"
            })

          });
    },
    //获取员工数据
    getEmployees() {
      //发起axios请求
      this.$http.get("/employee")
          .then(result => {
            //给模型层集合数据赋值
            this.employees = result.data;
          });

    },
    //获取部门树数据
    getDepartmentTree() {
      //发起axios请求
      this.$http.get("/department/tree")
          .then(result => {
            //给模型层部门树集合数据赋值
            this.departmentTree = result.data;
          })
    },

    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        //开启列表忙等
        this.listLoading = true;
        //发送请求
        this.$http.delete("/department/" + row.id)
            .then(result => {
              //如果成功
              if (result.data.success) {
                //返回后端成功提示
                this.$message({
                  message: result.data.message,
                  type: 'success'
                });
                //将页码跳到首页
                this.currentPage = 1;
                //刷新列表
                this.getDepartments();
              } else {
                //失败返回后端失败提示
                this.$message({
                  message: result.data.message,
                  type: 'error'
                })
              }
              //将页码跳到首页
              this.currentPage = 1;
              //刷新表单
              this.getDepartments();
            })
            .catch(result => {
              //关闭列表忙等
              this.listLoading = false;
              this.$message({
                message: "系统错误，请重试！！！",
                type: 'error'
              });
            })
      }).catch(() => {

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      //当点击编辑模态框的时候给模型层标题赋值
      this.title = "编辑";
      //弹出模态框
      this.editFormVisible = true;
      //克隆对象到我们模型层的对象中
      this.editForm = Object.assign({}, row);
      //修改parent字段为[2,5,6],用于回显 /2/5
      let arr = this.editForm.dirPath.split("/");
      let echoArr = [];
      //遍历从索引1位置到数组长度减1位置，并将此数组重新赋值给回显数组
      for (var i = 1; i < arr.length - 1; i++) {
        //将字符Id,转换为int类型放入到新数组中
        echoArr.push(parseInt(arr[i]));
      }
      // 将新数组赋值给this.editForm.parent字段
      this.editForm.parent = echoArr;

    },
    //显示新增界面
    handleAdd: function () {
      //当点击编辑模态框的时候给标题赋值
      this.title = "新增";
      //弹出模态框
      this.editFormVisible = true;
      this.editForm = {
        id: null,
        sn: "",
        name: "",
        state: 0,
        manager: {},
        parent: {}
      };
    },
    //新增/编辑函数
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            //打开按钮忙等
            this.editLoading = true;
            //将表单数据拷贝到 para对象中
            let para = Object.assign({}, this.editForm);
            // 如果用户选择了上级部门，我们就做数据转换操作
            if (para.parent) {
              //获取到用户选择的上级部门数组中的最后一个数据，封装到对象中，赋值给parent字段
              para.parent = {id: para.parent[para.parent.length - 1]}
            }
            //发送修改的axios请求
            this.$http.put("/department", para)
                .then(result => {
                  //关闭按钮忙等
                  this.editLoading = false;
                  //关闭模态框
                  this.editFormVisible = false;
                  //如果成功
                  if (result.data.success) {
                    //给出成功提示
                    this.$message({
                      message: result.data.message,
                      type: 'success'
                    })
                    //将页码跳到首页
                    this.currentPage = 1;
                    //刷新列表
                    this.getDepartments();
                  } else {
                    //失败给出失败提示
                    this.$message({
                      message: result.data.message,
                      type: 'error'
                    })
                    //将页码跳到首页
                    this.currentPage = 1;
                    //刷新列表
                    this.getDepartments();
                  }
                })
                //调用接口失败
                .catch(result => {
                  // 1.关闭忙等框
                  this.listLoading = false;
                  this.$message({
                    message: "系统错误，请重试！！！",
                    type: 'error'
                  });

                })
          }).catch(() => {

          });
        }
      });
    },
    //sels为多选框当前勾选的所有数据
    selsChange: function (sels) {
      //将数据赋值给模型层中的sels字段
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      //将sels中拿到的数据进行遍历，并拿到其中的id值
      let ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        //开启列表忙等忙等
        this.listLoading = true;
        //发送axios请求到后端批量删除接口
        this.$http.patch("/department", ids)
            .then(result => {
              //如果成功
              if (result.data.success) {
                //给出成功提示
                this.$message({
                  message: result.data.message,
                  type: 'success'
                })
                //将页码跳到首页
                this.currentPage = 1;
                //刷新列表
                this.getDepartments();
              } else {
                //失败给出失败提示
                this.$message({
                  message: result.data.message,
                  type: 'error'
                })
                //将页码跳到首页
                this.currentPage = 1;
                //刷新列表
                this.getDepartments();
              }
            })
            //接口调用失败
            .catch(result => {
              // 1.关闭忙等框
              this.listLoading = false;
              this.$message({
                message: "系统错误，请重试！！！",
                type: 'error'
              });

            })
      }).catch(() => {

      });
    }
  },
  //钩子函数
  mounted() {
    //调用获取部门数据方法
    this.getDepartments();
    //调用获取员工数据方法
    this.getEmployees();
    // 获取部门树数据集合
    this.getDepartmentTree();
  }
}

</script>

<style scoped>

</style>